Hyperdontia is a genuine medical condition involving the growth of more teeth than is usual (also known as "supernumerary teeth"), as described by the Lurie Children's Hospital of Chicago:. Extra ...

What do Freddy Mercury, Nero’s mom, and an ancient Bulgarian vampire have in common? That’s right: they all have hyperdontia – aka “too many teeth”. It’s in the name, really: hyper, as ...